On Mon, 21 Oct 2024 17:46:58 +0100 Will Deacon <[email protected]> wrote:
> On Wed, Oct 16, 2024 at 09:58:09AM +0900, Masami Hiramatsu (Google) wrote: > > From: Masami Hiramatsu (Google) <[email protected]> > > > > Use ftrace_regs instead of fgraph_ret_regs for tracing return value > > on function_graph tracer because of simplifying the callback interface. > > > > The CONFIG_HAVE_FUNCTION_GRAPH_RETVAL is also replaced by > > CONFIG_HAVE_FUNCTION_GRAPH_FREGS. > > > > Signed-off-by: Masami Hiramatsu (Google) <[email protected]> > > Acked-by: Heiko Carstens <[email protected]> > > Cc: Catalin Marinas <[email protected]> > > Cc: Will Deacon <[email protected]> > > Cc: Steven Rostedt <[email protected]> > > Cc: Mark Rutland <[email protected]> > > Cc: Huacai Chen <[email protected]> > > Cc: WANG Xuerui <[email protected]> > > Cc: Paul Walmsley <[email protected]> > > Cc: Palmer Dabbelt <[email protected]> > > Cc: Albert Ou <[email protected]> > > Cc: Vasily Gorbik <[email protected]> > > Cc: Alexander Gordeev <[email protected]> > > Cc: Heiko Carstens <[email protected]> > > Cc: Christian Borntraeger <[email protected]> > > Cc: Sven Schnelle <[email protected]> > > Cc: Thomas Gleixner <[email protected]> > > Cc: Ingo Molnar <[email protected]> > > Cc: Borislav Petkov <[email protected]> > > Cc: Dave Hansen <[email protected]> > > Cc: [email protected] > > Cc: "H. Peter Anvin" <[email protected]> > > Cc: Mathieu Desnoyers <[email protected]> > > > > --- > > Changes in v17: > > - Fixes s390 return_to_handler according to Heiko's advice. > > Changes in v16: > > - According to the recent ftrace_regs.h change, override > > ftrace_regs_get_frame_pointer() if needed. > > - s390: keep stack_frame on stack, just replace fgraph_ret_regs > > with ftrace_regs. > > Changes in v8: > > - Newly added. > > --- > > arch/arm64/Kconfig | 1 + > > arch/arm64/include/asm/ftrace.h | 23 ++++++----------------- > > arch/arm64/kernel/asm-offsets.c | 12 ------------ > > arch/arm64/kernel/entry-ftrace.S | 32 ++++++++++++++++++-------------- > > For the arm64 parts: > > Acked-by: Will Deacon <[email protected]> Thank you! > > Will -- Masami Hiramatsu (Google) <[email protected]>
